JSONTest

using System;
using System.Collections.Generic;
using System.Text;
using Newtonsoft.Json.Linq;

namespace JSONExample
{
    public static class JSONTest
    {
        public static JObject ParseJSON(string JSONBuf)
        {
            JObject JSONObj = null;
            try
            {
                JSONObj = JObject.Parse(JSONBuf);
            }
            catch (Exception ex)
            {
                Console.WriteLine("ERROR: " + ex.Message);
                return null;
            }
            return JSONObj;
        }

        public static string GetValueExample(JObject JSONObj, string FieldName)
        {
            string ret = "";

            try
            {
                JToken tok = JSONObj.GetValue(FieldName);
                ret = tok.ToString();
            }
            catch (Exception ex)
            {
                Console.WriteLine("ERROR: " + ex.Message);
                return ret;
            }
            return ret;
        }

        public static string TryGetValueExample(JObject JSONObj, string FieldName)
        {
            string ret = "";
            JToken tok;
            bool result = false;

            result = JSONObj.TryGetValue(FieldName, out tok);
            Console.WriteLine("Result: " + result.ToString());
            if (result)
            {
                ret = tok.ToString();
            }
            else
            {
                Console.WriteLine("Field " + FieldName + " not found!");
            }

            return ret;
        }

        public static string ConstainsKeyExample(JObject JSONObj, string FieldName)
        {
            string ret = "";

            Console.WriteLine("JSONObj.ContainsKey(FieldName): "
                + JSONObj.ContainsKey(FieldName));

            if (JSONObj.ContainsKey(FieldName))
            {
                JToken tok = JSONObj.GetValue(FieldName);
                ret = tok.ToString();
            }
            else
            {
                Console.WriteLine("Field " + FieldName + " not found!");
            }

            return ret;
        }
    }
}